Step-by-step explanation:

Answer: = 
Step-by-step explanation:



Answer
(10x+15) + (5x)=180
X=11
6 workers-9 jobs in 3 days
In one day 6 workers can do 3 jobs
In one day 1 worker can do 0.5 job
4 workers can so 2 jobs in a day
So. They can do 10 jobs in 5 days
The answer would be C and E